clamper的复数形式怎么写？

clamper的音标：clamper的英式发音音标为：['klæmpə]clamper的美式发音音标为：['klæmpɚ]...

Provide you with the services of design, processing, manufacture of mould, fixture, spring clamper and personnel training.为您设计, 安排加工工艺; 制作模具 、 夹具 、 弹簧夹头;人员培训的服务....

n.鞋底钉，钳，夹持器...